Head-to-head
Pick two athletes to see how the race played out between them — by actual time, head start, and checkpoint.
Athlete A
OfficialPark W Allen
#712 · 1:19:30 · M54 · Group T · DR
Wave start 8:45 AM (T-DR)
Athlete B
OfficialDavid Weinfeld
#716 · 1:22:46 · M59 · Group P · DR
Wave start 8:42 AM (P-DR)
Interpretation
Park (T-DR) started at 8:45 AM; David (P-DR) started at 8:42 AM. That gave David a 3 minutes head start on Park. On foot, Park ran 1:19:30 and David ran 1:22:46 — Park was 3:16 faster than David. Park took official place 712th (time-based 633rd) and David took official place 716th (time-based 733rd). Park was faster on foot and finished ahead on the official clock too. Biggest swing: Park gained 1:27 from Muir Woods to Cardiac.
Deltas
ComputedWave start
David Weinfeld (P-DR) started 3 min earlier than Park (T-DR).
- Overall place Δ
- -4
- Actual time Δ
- -3:16
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 3 min (David earlier)
- Finish clock Δ
- -0:16
- Section place Δ
- -12
Δ = Park − David. Negative means Park is ahead/faster.
Race timeline
Computed- David (P-DR) started at 8:42 AM.
- Park (T-DR) started at 8:45 AM, 3:00 later.
- Actual running time: Park was 3:16 faster on foot than David.
- Finish clock: Park crossed the line 0:16 ahead of David — Park wins this head-to-head.
Δ (A − B): actual -3:16 · finish clock -0:16.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Park | David | Δ |
|---|---|---|---|
| Start to Top of Stairs | 9:12 | 9:11 | +0:01 |
| Stairs to Windy Gap | 6:38 | 7:19 | -0:41 |
| Windy Gap to Muir Woods | 6:50 | 6:34 | +0:16 |
| Muir Woods to Cardiac | 30:59 | 32:26 | -1:27 |
| Cardiac to White Gate | 16:06 | 16:20 | -0:14 |
| White Gate to The Stile | 7:35 | 8:19 | -0:44 |
| The Stile to Finish | 2:10 | 2:37 | -0:27 |
Δ negative = Park ran the segment faster.